Answer:
They are supplementary angles.
Hope it will help :)
Answer:
1240
Step-by-step explanation:
the explanation is very long but I hope this is correct!
Answer:
Last point is at (7,-3)
Step-by-step explanation:
So say for example u have -7 - (-5), think of subtracting integers as adding the opposite, so ur adding the opposite of -5, the opposite of -5 is 5, so ur adding -7 and 5= -2
another one: -15 - (-18)
again, adding the opposite. -15 plus positive 18= 3